john roberts shows us how everyone there is getting ready. the sound checks and rehearsals done and the platform awaits the president. the person preparing the most is the man who runs the show, senator charles schumer. >> there are 14 times when i introduce and sit down and remember what happened to justice roberts so i am making sure i practice. >> organizers hope the flubs are history as they prepare for a crowd that could be a third of the two million last time that overwhelmed the national mall. >> after the chaos of 2009 the committee has a smartphone app to tell people how to get from leader and there and avoid a thousand of those who caught in a tunnel and missed the inauguration. the biggest problem is the area of partisan toxicship. >> most suspend that rang core for the inaugural for the special events but the problem is by the next dawn they are right back fighting with each other. >> after a hard fought election and tough battles in congress, this inauguration draws comparisons to 2001 when tensions ran high over george bush. >>